If it's not what You are looking for type in the equation solver your own equation and let us solve it.
18-9+3n=18
We move all terms to the left:
18-9+3n-(18)=0
We add all the numbers together, and all the variables
3n-9=0
We move all terms containing n to the left, all other terms to the right
3n=9
n=9/3
n=3
| X+16+4x=-24-5x | | 7x+16-x=178 | | 14n-7=24 | | 0+7r=7r-9 | | 5x+4x+10=82-3x | | 2x^-11x+15=X | | -8q-1+9q=9+4q-6 | | 5x+9-2x=18+x47 | | 14.5=2.5+3x | | 4x+1/4*2x=63 | | 0x-14=7x+25 | | X+1/2x=30 | | -5/3y=5/6 | | (10x+50)=170 | | 20b^2-15b=18 | | 7x(-7=15) | | 6^x=128 | | 150=2x+100 | | 12+2x=15-x | | -5=8/3y | | 70=20+2p | | 32-3x=-5x+64 | | F(x)=9/9x+11 | | 3/8u=-8/7 | | 128+1/3x=180 | | 128+1/3x=18 | | 4/9v=-7/5 | | 0.2x+153.2=180 | | 3x+6=-5+2 | | u/2=u/3+3 | | 126+3x=180 | | x=312+0.49639999999999/1 |